Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.384075E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:24:13+0800
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    1 Object 1

    AOE ID 35397
    NORAD ID 35397
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68891
    NORAD ID 68891
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB KUIPER-00521
    Time of Closest Approach 2026-10-22T10:38:53+0000
    Collision Probability (Pc) 2.384075E-5
    Conjunction Distance (km) 0.884 km
    Relative Speed (km/s) 6.762 km/s
    Conjunction Risk Parameters R (Radial): -0.778 | I (In-track): -0.37 | C (Cross-track): -0.189
    Collision Risk Index (CRI) 0.63
    X Position (km) -3814.547 -3814.331
    Position Y (km) -4967.053 -4966.567
    Position Z (km) -3153.972 -3153.267
    Velocity X (km/s) 1.024 5.621
    Velocity Y (km/s) 3.411 -1.23
    Velocity Z (km/s) -6.618 -4.871

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB KUIPER-00521
    Semimajor Axis (a) 6965.180 km 7007.713 km
    Eccentricity (e) 0.005936 0.000066
    Inclination (i) 98.6494° 51.9023°
    RAAN 54.3269° 37.7479°
    Perigee Argument 33.4980° 100.5494°
    Mean Anomaly (M) 326.9968° 259.5543°
    Apogee 628.387 km 630.040 km
    Perigee 545.699 km 629.112 km
    Orbit Epoch 2026-10-20T03:03:25+0000 2026-10-20T12:18:05+0000

    CZ-4 DEB & KUIPER-00521 Collision Probability (Pc) Trend

    CZ-4 DEB & KUIPER-00521 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & KUIPER-00521 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & KUIPER-00521 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00521Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data